Description
EOTech Vudu 3.5-18x50 SFP HC1 Riflescope VDU3-18SFHC1 is a high-performance optic designed for medium to long-range shooting. This second focal plane (SFP) scope features EOTECH's XC™ High-Density glass, providing exceptional clarity and light transmission. The rugged 34mm tube construction ensures durability in harsh conditions.
The VDU3-18SFHC1 model is equipped with the HC1 reticle, a MOA-based hashmark design that offers holdover and wind compensation while maintaining a clean sight picture. With its 3.5-18x magnification range, this scope is versatile enough for various shooting scenarios. The easy-to-use tactical turrets with covers allow for quick adjustments in the field.
This Vudu riflescope features a side-mounted parallax adjustment for precise focusing and an illuminated reticle with push-button controls for low-light conditions. The scope's aircraft-grade aluminum construction, combined with its fog, shock, and water-resistant properties, make it a reliable choice for demanding environments.
Ideal For: Precision shooters, hunters, and tactical operators seeking a versatile, high-quality optic for medium to long-range engagements.
Features:
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PREMIUM OPTICS: XC™ High-Density, low dispersion glass with anti-reflective coating for superior light transmission and edge-to-edge clarity
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DURABLE CONSTRUCTION: Aircraft-grade aluminum, single-piece 34mm tube with anodized finish for extreme durability and weather resistance
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TACTICAL TURRETS: Oversized, precision-machined turrets with EZ Chek Zero Stop feature for quick adjustments and easy return to zero
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VERSATILE MAGNIFICATION: 3.5-18x zoom range suitable for various shooting distances and scenarios
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ILLUMINATED RETICLE: Push-button illumination controls with multiple brightness settings for low-light performance
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PARALLAX ADJUSTMENT: Side-mounted parallax adjustment from 15 yards to infinity for precise focusing at any distance
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SECOND FOCAL PLANE: HC1 MOA-based hashmark reticle remains consistent in size throughout the magnification range
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INCLUDED ACCESSORIES: Throw lever, sunshade, lens cleaning cloth, and battery included for out-of-the-box functionality
Specifications
| Specification | Value |
|---|---|
| Magnification | 3.5-18x |
| Objective Lens Diameter | 50mm |
| Tube Diameter | 34mm |
| Reticle | HC1 (MOA-based) |
| Focal Plane | Second Focal Plane (SFP) |
| Eye Relief | 3.39-4.02" (86-100mm) at 3.5x, 3.46-3.90" (88-99mm) at 18x |
| Field of View at 100 yards | 30.2 ft at 3.5x, 5.9 ft at 18x |
| Overall Length | 15.13" (384mm) |
| Weight | 33.6 oz (952g) |
| Illumination | Yes, push-button control |
| Power Source | CR2032 battery |
| Parallax Adjustment | Side-mounted, 15 yards to infinity |
| Waterproof | Yes |
| Fog Resistant | Yes |
| Shock Resistant | Yes |
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)